package org.csmzxy.class2334;

public class Bank {
    private String accountNumber;
    private double balance;
    public void setAccountNumber(String accountNumber){
        this.accountNumber = accountNumber;
    }
    public String getAccountNumber(){
        return accountNumber;
    }
    public void setBalance(double balance){
        if (balance < 0){
            System.out.println("输入金额有误！");
        }else{
            this.balance = balance;
        }
    }
    public double getBalance(){
        return balance;
    }
    public void broadcast(String accountNumber,double balance){
        System.out.println("账户"+accountNumber+"的余额为"+balance+"元");
    }
}